CN211776531U - Key interface structure and electronic padlock with same - Google Patents

Abstract

The utility model is suitable for the field of lockset, and discloses a key interface structure and an electronic padlock with the same, wherein the key interface structure comprises an interface body, the interface body is provided with an interface groove for inserting a key, and at least one side of the interface groove is provided with an elastic arm; the elastic arm is provided with a limiting bulge used for being clamped with a key, and a cavity for the elastic arm to move is formed between the elastic arm and the interface groove. The utility model also provides an electron padlock of having above-mentioned key interface structure. The utility model provides a key interface structure and have electronic padlock of this structure only needs one set of mould during its interface body production, can reduce the manufacturing cost of enterprise to simple to operate is difficult for taking place corrosion and bite.

Description

Key interface structure and electronic padlock with same

Technical Field

The utility model belongs to the tool to lock field especially relates to a key interface structure and have electron padlock of this structure.

Background

Chinese patent application No. 201520503343.X discloses an intelligent locking device, which comprises an intelligent lock and a computer key, wherein the intelligent lock comprises an interface groove, the inner wall of the interface groove is provided with a mounting hole for mounting an elastic connecting part, and the elastic connecting part comprises an elastic part capable of reciprocating in a direction perpendicular to the inner wall of the interface groove; the joint part of the computer key is provided with a clamping groove corresponding to the elastic connecting part; when the intelligent lock is in butt joint with the computer key, the elastic piece is clamped in the clamping groove of the joint part of the computer key.

The intelligent lockset in the scheme needs to be provided with the mounting hole due to the fact that the elastic connecting part needs to be mounted, the elastic part needs to be opened independently, the number of parts is large, the structure and the assembly process are complex, and the cost is high; and the elastic component is the part of reciprocating motion in the mounting hole, and the elastic component can generally adopt spring and the marble cooperation of metal material, and long-time back of using, especially under outdoor or adverse circumstances, takes place corrosion and bite easily, influences the normal use of tool to lock.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of above-mentioned technical problem at least, provide a key interface structure and have the electron padlock of this structure, the key interface only needs one set of mould when producing, can reduce the manufacturing cost of enterprise to simple to operate is difficult for taking place corrosion and bite.

The technical scheme of the utility model is that: a key interface structure comprises an interface body, wherein the interface body is provided with an interface groove for inserting a key, and at least one side of the interface groove is provided with an elastic arm; the elastic arm is provided with a limiting bulge used for being clamped with a key, and a cavity for the elastic arm to move is formed between the elastic arm and the interface groove.

Optionally, the bottom of the interface body is provided with a hollow at the projection position of the elastic arm, and the hollow boundary is not smaller than the boundary of the elastic arm projected at the bottom of the interface groove.

Optionally, the key interface structure further includes a fastener clamped to the elastic arm and located between the elastic arm and the side wall of the interface groove.

Optionally, the fastener includes a reinforcing portion located between the elastic arm and the side wall of the interface groove, the reinforcing portion extends towards two sides to form an embedding portion clamped at two sides of the elastic arm, and one end of the embedding portion is integrally formed or fixedly connected with a clamping portion; one end of the elastic arm close to the bottom of the interface groove is provided with a clamping hook, and the clamping hook is clamped in the clamping part.

Optionally, the elastic arm includes a cantilever portion and a connecting portion, and the cantilever portion and the connecting portion are integrally formed or fixedly connected; one end of the connecting part is integrally formed or fixedly connected with the cantilever part, the other end of the connecting part is integrally formed or fixedly connected with the interface body, and the limiting bulge is integrally formed on the cantilever part.

Optionally, a gap for the cantilever part to move is formed between the reinforcing part and the cantilever part, and the width of the gap is greater than the thickness of the limiting protrusion.

Optionally, the clamping portion is flush with the bottom surface of the interface groove, and the embedding portion is flush with the elastic arm.

Optionally, the limiting protrusion is a strip protrusion; or one, two or three limiting bulges are transversely arranged in parallel to the bottom surface of the interface groove.

Optionally, the number of the elastic arms is two, and the two elastic arms are oppositely arranged at two sides of the interface groove.

The utility model also provides an electronic padlock, which comprises a lockset and a key, wherein the key comprises a key body and a key joint, and the lockset is provided with the key interface structure; a limiting groove clamped with the limiting bulge is formed in the side surface of the key joint; or, the key joint side be provided with the spacing sand grip of spacing protruding looks block, just spacing sand grip with key joint integrated into one piece, fixed connection or can dismantle the connection.

The utility model provides a key interface structure and an electronic padlock with the same, wherein, the interface body of the key interface structure is formed on the interface body by integrating the elastic arm which is clamped with the key, only one set of mould can be opened during production, thereby saving the cost; the reinforcing part of the fastener limits the movement amplitude of the elastic arm, so that the service life of the elastic arm is prolonged, the embedded part and the clamping part are flush with the key interface body, and a gap between the elastic arm and the key interface body is shielded, so that the lock is attractive, dustproof and prying-resistant, and the safety and the service life of the lock are further improved; in addition, the elastic arm is difficult for taking place corrosion and bite through the elasticity of self and key block, and this key interface structure elegant appearance, and easily installation, the practicality is good.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of a key interface structure according to an embodiment of the present invention;

fig. 2 is a top view of a key interface structure provided by an embodiment of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

fig. 4 is a schematic perspective view of a key of an electronic padlock according to an embodiment of the present invention;

fig. 5 is a schematic perspective view of a key joint of an electronic padlock according to an embodiment of the present invention;

fig. 6 is an assembly schematic diagram of a key interface structure and a key according to an embodiment of the present invention;

fig. 7 is an assembled cross-sectional view of a key interface structure and key fob provided by an embodiment of the invention;

FIG. 8 is an assembled cross-sectional view of a key interface structure and another key fob provided by an embodiment of the invention;

fig. 9 is a cross-sectional view of a key fob of an electronic padlock according to an embodiment of the invention;

fig. 10 is an exploded view of a key interface structure and a latch provided in accordance with an embodiment of the present invention;

fig. 11 is a schematic perspective view of a key interface structure provided by an embodiment of the present invention after a fastening member is installed;

fig. 12 is an assembled cross-sectional view of a key interface structure after a fastening member is installed and a key head according to an embodiment of the present invention.

In the figure:

1. an interface body; 11. an interface groove; 12. a resilient arm; 121. a connecting portion; 122. a cantilever portion; 1221. a hook; 13. a limiting bulge; 14. a fastener; 141. a reinforcing portion; 142. a fitting portion; 143. a clamping part;

2. a key; 21. a key body; 22. a key connector; 221. a limiting groove; 222. smooth flanges; 223. limiting convex strips.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It should be noted that the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, directly disposed or connected, or indirectly disposed or connected through intervening elements or intervening structures.

In addition, in the embodiments of the present invention, if there are terms of orientation or positional relationship indicated by "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., it is based on the orientation or positional relationship shown in the drawings or the conventional placement state or use state, and it is only for convenience of description and simplification of description, but does not indicate or imply that the structures, features, devices or elements referred to must have a specific orientation or positional relationship, nor must be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

The various features and embodiments described in the detailed description may be combined in any suitable manner, for example, different embodiments may be formed by combining different features/embodiments, and various combinations of features/embodiments are not separately described in order to avoid unnecessary repetition in the present disclosure.

As shown in fig. 1 to 3, an embodiment of the present invention provides a key interface structure, which includes an interface body 1, the interface body 1 has an interface groove 11 for a key to be inserted into, at least one side of the interface groove 11 is provided with an elastic arm 12; as shown in fig. 7, the elastic arm 12 is provided with a limit protrusion 13 for engaging with the key, and a cavity for the elastic arm 12 to move is formed between the elastic arm 12 and the interface groove 11. The size setting of key interface body 1 generally according to the size of tool to lock, but direct mount in the bottom of tool to lock, the shape of key interface body 1 is the cuboid or has the cuboid of fillet. The shape of the interface groove 11 corresponds to the shape of the key connector 22, and the periphery of the interface groove 11 is provided with an integrally formed side wall, and the side wall has a certain thickness, so that the side wall is conveniently embedded into a lock or buckled on the lock. The number of the elastic arms 12 can be as many as required, including but not limited to one on each side, one on only one side, four around, and more on the same side. As shown in fig. 1, in the present embodiment, two elastic arms 12 are provided, and the two elastic arms 12 are oppositely provided at both sides. As shown in fig. 3, the elastic arm 12 extends to the interface groove 11 and bends toward the bottom of the interface groove, that is, the section of the elastic arm 12 is arched, and the part extending into the interface groove 11 has good elasticity. When a key is inserted, the key head 22 is slightly larger than the distance between the two elastic arms 12, and the elastic arms 12 are elastically deformed to both sides under the extrusion of the key head 22. As shown in fig. 7, after the key is inserted, the key head 22 engages with the stopper projection 13.

In a specific application, the shape and number of the limiting protrusions 13 are not particularly limited, for example, spherical, ellipsoidal, elongated, etc. The body of the interface groove 11, the elastic arm 12 and the limiting protrusion 13 can be integrally formed and can be made of elastic materials such as plastics. On one hand, only one set of die can be used for production during production, so that the production cost and the assembly process difficulty are reduced; on the other hand, when the key interface structure damages, be convenient for carry out the modularization and change for the practicality of key interface structure is better.

Specifically, as shown in fig. 2, as an optional embodiment of the present invention, the bottom of the interface body 1 is provided with a hollow at the projection position of the elastic arm 12, and the hollow boundary is not smaller than the boundary of the elastic arm 12 projected at the bottom of the interface groove. During the production process, the hollowing can facilitate the die sinking and forming of the elastic arm 12.

Specifically, as shown in fig. 10 and 11, as an alternative embodiment of the present invention, the key interface structure further includes a fastener 14 fastened to the elastic arm 12 and located between the elastic arm 12 and the side wall of the interface recess 11. In this embodiment, the elastic arm 12 is integrally formed by plastic, and after the key is inserted and removed for a plurality of times for a long time, the elastic arm 12 made of plastic is easily broken due to mechanical fatigue, and the setting of the fastener 14 can enhance the strength of the elastic arm 12 and prolong the service life of the elastic arm 12.

Specifically, as shown in fig. 10, as an alternative embodiment of the present invention, the locking member 14 includes a reinforcing portion 141 located between the elastic arm 12 and the sidewall of the interface groove 11, the reinforcing portion 141 extends towards two sides to form an engaging portion 142 clamped at two sides of the elastic arm 12, and one end of the engaging portion 142 is integrally formed or fixedly connected with a clamping portion 143; one end of the elastic arm 12 close to the bottom of the interface groove is provided with a hook 1221, and as shown in fig. 10, the fastener 14 is clamped with the elastic arm 12 through a hollow part located at the bottom of the key interface body, a gap for inserting the hook 1221 is provided between the reinforcement part 141 and the clamping part 143, and the hook 1221 passes through the gap and is clamped with the clamping part 143. As shown in fig. 12, after the fastener 14 is installed, a gap for the elastic arm 12 to move is formed between the reinforcing portion 141 and the elastic arm 12, the size of the gap limits the distance that the elastic arm 12 moves towards both sides, and the size of the gap can be adjusted according to actual requirements to meet requirements of different scenes. As shown in fig. 11, an end of the engaging portion 142 away from the locking portion 143 can be overlapped on a sidewall of the key interface body 1 to provide a reliable force bearing point for the locking member 14.

As shown in fig. 12, the reinforcing portion 141 can reduce the degree of elastic deformation of the elastic arm 12 when the key is inserted, thereby extending the life of the elastic arm 12; when the key is pulled out, because spacing arch 13 and key connector 22 block, the key can drive spacing arch 13 and elastic arm 12 to the outside motion of interface recess 11, but elastic arm 12 passes through pothook 1221 joint in joint portion 143, has restricted spacing arch 13 and elastic arm 12 along with the outside motion of key interface 22, has further prolonged the life of elastic arm 12. In addition, if the key interface structure is installed at the bottom of the lock, that is, the key interface faces downward, after the key is inserted, the key is directly hung on the key interface structure, due to the action of gravity, the key will cause the limiting protrusion 13 and the elastic arm 12 to deform to a larger extent, and the elastic arm 12 is clamped in the clamping portion 143 of the clamping member 14 through the clamping hook 1221, so that the elastic arm 12 is prevented from deforming to a larger extent, and the service lives of the elastic arm 12 and the key interface structure are prolonged.

Specifically, as shown in fig. 7, as an alternative embodiment of the present invention, the elastic arm 12 includes a cantilever portion 122 and a connecting portion 121, and the cantilever portion 122 is integrally formed with or fixedly connected to the connecting portion 121; one end of the connecting portion 121 is integrally formed or fixedly connected with the cantilever portion 122, the other end of the connecting portion 121 is integrally formed or fixedly connected with the interface body 1, and the limiting protrusion 13 is integrally formed on the cantilever portion 122. The connecting portion 121 may be parallel to the bottom surface of the interface groove, and the thickness and strength of the connecting portion 121 may be greater than the strength of the cantilever portion 122, such that the connecting portion 121 provides a reliable deformation supporting point for the cantilever portion 122 when a key is inserted, thereby prolonging the life of the elastic arm 12.

Specifically, as shown in fig. 12, as an alternative embodiment of the present invention, a gap for the movement of the cantilever portion 122 is provided between the reinforcing portion 141 and the cantilever portion 122, and the width of the gap is greater than the thickness of the limiting protrusion 13. The design does not hinder the outward movement of the limiting bulge 13 and the elastic arm 12 when the key is inserted, and can prevent the elastic arm 12 from being excessively deformed to cause the unrecoverable plastic deformation of the elastic arm 12. Of course, the width of the gap may be equal to or less than the thickness of the stopper protrusion 13.

Specifically, as shown in fig. 11, as an alternative embodiment of the present invention, the locking portion 143 is flush with the bottom surface of the interface groove, and the engaging portion 142 is flush with the elastic arm 12. It should be noted that the term "flush" is used herein to refer not only to the same height but also to the absence of any significant gap between the two. It will be appreciated that the engagement portion 142 is not only flush with the resilient arm 12, but also flush with the side wall of the key interface body 1. Such design makes whole key interface structure more have an organic whole sense, and outward appearance elegant appearance can also prevent simultaneously that the dust piece from piling up in the key interface to also can prevent that the key interface from being prized open, thereby improve the reliability and the security of tool to lock.

Specifically, as shown in fig. 1, as an alternative embodiment of the present invention, the limiting protrusion 13 is a strip-shaped protrusion; alternatively, one, two or three of the limiting protrusions 13 are arranged transversely in parallel with the bottom surface of the interface groove 11. In this embodiment, the stop protrusion 13 is preferably of spherical configuration and is provided one on each resilient arm 12.

The utility model also provides an electronic padlock, as shown in fig. 4 and 6, comprising a lock (not shown in the figure) and a key 2, wherein the key 2 comprises a key body 21 and a key joint 22, and the lock has the key interface structure; as shown in fig. 5, a limit groove 221 engaged with the limit protrusion 13 is provided on a side surface of the key head 22; alternatively, as shown in fig. 9, a limit protrusion 223 engaged with the limit protrusion 13 is provided on the side surface of the key holder 22, and the limit protrusion 223 is integrally formed with, fixedly connected to, or detachably connected to the key holder 22. The number and the position of the limit grooves 221 and the limit convex strips 223 need to be corresponding to those of the elastic arms 12 and the limit protrusions 13. In this embodiment, the distance between the two limiting convex strips 223 is greater than the distance between the two limiting protrusions 13, and the distance between the two limiting convex strips 223 is less than the distance between the two side walls of the interface groove 11. Because the long-time plug many times, spacing sand grip 223 can take place wearing and tearing, adopts the detachable structure, is convenient for change the sand grip of wearing and tearing. Of course, as shown in FIG. 8, the key fob 22 may also be provided with a rounded flange 222 at the end.

The embodiment of the utility model provides a key interface structure and have the electronic padlock of this structure, it will be with the elastic arm 12 integrated into one piece of the block of key 2 on the interface body 1, can only open a set of mould when producing, thus save the cost; the reinforcing part 141 of the fastener 14 limits the movement amplitude of the elastic arm 12, so that the service life of the elastic arm 12 is prolonged, the embedding part 142 and the clamping part 143 are flush with the key interface body 1, and the gap between the elastic arm 12 and the key interface body 1 is shielded, so that the lock is attractive, dustproof and prying-resistant, and the safety and the service life of the lock are further improved; in addition, the elastic arm 12 is clamped with the key through the elasticity of the elastic arm, so that the key is not easy to rust and jam, and the key interface is attractive and elegant in structure, easy to install and good in practicability.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.

Claims (10)

1. A key interface structure comprises an interface body, wherein the interface body is provided with an interface groove for inserting a key, and is characterized in that at least one side of the interface groove is provided with an elastic arm; one side of the elastic arm is provided with a limiting bulge used for being clamped with a key, and a cavity for the elastic arm to move is formed between the other side of the elastic arm and the interface groove.

2. The key interface structure of claim 1, wherein the interface body bottom has a cutout at a position projected by the elastic arm, and a boundary of the cutout is not smaller than a boundary of the elastic arm projected at the interface groove bottom.

3. The key interface structure of claim 2, further comprising a latch member engaged with said spring arm and positioned between said spring arm and said interface recess sidewall.

4. The key interface structure of claim 3, wherein said latch member includes a reinforcement portion between said spring arm and said interface recess sidewall, said reinforcement portion extending laterally to form an engaging portion clamped to both sides of said spring arm, one end of said engaging portion being integrally formed or fixedly connected to said latch portion; one end of the elastic arm close to the bottom of the interface groove is provided with a clamping hook, and the clamping hook is clamped in the clamping part.

5. The key interface structure of claim 4, wherein said spring arm comprises a cantilever portion and a connecting portion, said cantilever portion being integrally formed with or fixedly connected to said connecting portion; one end of the connecting part is integrally formed or fixedly connected with the cantilever part, the other end of the connecting part is integrally formed or fixedly connected with the interface body, and the limiting bulge is integrally formed on the cantilever part.

6. The key interface structure of claim 5, wherein a gap is provided between the reinforcement portion and the cantilever portion for movement of the cantilever portion, and the width of the gap is greater than the thickness of the limiting protrusion.

7. The key interface structure of claim 4, wherein said snap-fit portion is flush with a bottom surface of said interface recess, and said engagement portion is flush with said resilient arm.

8. The key interface structure of any one of claims 1 to 7, wherein said limiting protrusion is a bar-shaped protrusion; or one, two or three limiting bulges are transversely arranged in parallel to the bottom surface of the interface groove.

9. A key interface structure as claimed in any one of claims 1 to 7, wherein there are two said resilient arms, and two said resilient arms are oppositely disposed on either side of said interface recess.

10. An electronic padlock comprising a lock and a key, the key comprising a key body and a key fob, characterized in that the lock has a key interface structure as claimed in any one of claims 1 to 9; a limiting groove clamped with the limiting bulge is formed in the side surface of the key joint; or, the key joint side be provided with the spacing sand grip of spacing protruding looks block, just spacing sand grip with key joint integrated into one piece, fixed connection or can dismantle the connection.

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